Mahr MarSurf RD 18 Operating Instructions Manual

Brand: Mahr

Model: MarSurf RD 18

Type: Operating Instructions Manual

This manual is also suitable for

MarSurf M 300

Mahr GmbH · Carl-Mahr-Straße 1 · D-37073 Göttingen · Telefon +49 551 7073-0 · Fax +49 551 71021

Operating Instructions

MarSurf M 300 + RD 18

Mahr GmbH, MarSurf M 300 + RD 18

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Mahr GmbH, MarSurf M 300 + RD 18

Mahr GmbH, MarSurf M 300 and RD 18

Dear valued customer,

Congratulations on choosing a product by Mahr

GmbH. We kindly request that you follow the

instructions below in order to ensure the contin-

ued precision operation of the instrument over

the long-term.

We operate a policy of continuous improve-

ment and are constantly developing our prod-

ucts, especially with regard to renaming of type

designations. It is possible therefore that there

may be slight differences between the text and

illustrations in this document and the product in

your possession. We reserve the right to make

changes to the design and scope of supply, the

right to undertake further technical develop-

ments, and all rights relating to translation of this

documentation.

Permitted Uses

The MarSurf M 300 surface texture meas uring

instrument may only be used for surface meas-

urement and evaluation.

The MarSurf M 300 surface texture meas uring

instrument can be used both close to production

areas and in inspection rooms.

Do not modify the instrument. This may create

additional hazards that cannot be sufficiently

protected by the safety mechanisms.

The operating, maintenance and repair require-

ments specified in these operating instructions

must be followed.

Disposal

Electronic devices, including accessories and used batteries (rechargeable

and disposable), must not be disposed of as regular garbage, since they

contain high-value materials that can be recycled and reused. European

Directive 2002/96/EG (WEEE) requires that electrical and electronic devic-

es must be collected separately to unsorted municipal waste so that they

may be subsequently reprocessed. The crossed-out garbage can symbol

indicates that separate collection is necessary.

Mahr GmbH carries out the redemption and disposal of its electrical and

electronic products in accordance with legal requirements. Please contact

your local service representative.

Mahr GmbH

Carl-Mahr-Straße 1

D-37073 Göttingen

Germany

Phone: +49 551 70730

Fax: +49 551 71021

E-mail: info@mahr.de

Internet: www.mahr.de

Mahr GmbH is registered in Germany with the Elektro-Altgeräte-Register

(EAR, 'national register for used electrical appliances') under WEEE-Reg.-

No. DE 56624193.

Mahr GmbH, MarSurf M 300 and RD 18

Safety Instructions

This instrument complies with the relevant safety regulations. It was dispatched from

our production facility in good condition and perfect working order. Failure to follow

the instructions given below can cause personal injury or death.

1. Before you connect up and use the equipment for the first time, read the ac-

companying documentation.

Follow the safety precautions detailed in the operating instructions.

Keep the documentation close to the equipment ready for quick reference.

2. The instrument is designed for surface texture meas urement only, as specified

in the permitted uses.

3. This instrument is NOT designed for operation in explosive environments.

The equipment can emit electrical sparks which could trigger an explosion.

4. Follow safety precautions, accident prevention regulations and internal com-

pany instructions. You should request further information from your company

safety officer.

5. Only the AC adapter provided with the device should be used for charging the

internal rechargeable battery or supplying power to the device when used in

stationary applications.

6. Ensure the appropriate mains adapter for the mains socket is connected to the

AC adapter.

7. Before you connect up the equipment, check that the power supply voltage

marked on the type plate of the AC adapter matches that of the local mains

power supply system. DO NOT under any circumstances connect the AC adapt-

er if the voltage is not the same!

8. Only use the AC adapter in enclosed areas.

9. Never carry out meas urements on machines while they are running or on mov-

ing items.

10. Maintenance tasks must only be carried out by trained technicians. Disconnect

the power supply before replacing the battery.

Mahr GmbH, MarSurf M 300 and RD 18 3

11. Only Mahr-trained personnel are permitted to carry out work on this instrument

and its components. Protective covers must only be removed by trained techni-

cians and only when servicing is required. Any procedures carried out on this

instrument that go beyond those tasks described in the operating instructions

will void the equipment warranty. Mahr GmbH declines all liability for damage

caused by unauthorized procedures.

12. Do not use fluids on or near the instrument and its components.

13. Do not use cleaning materials which contain harmful substances. Do not use

solvents.

14. Inspect the connecting cables at regular intervals and check for damage. Change

damaged cables immediately (Mahr service personnel).

For the MarSurf M 300 and RD 18, Bluetooth technology has as yet

been approved in Europe and North America only! Approval in further

countries is in progress. In case of doubt please contact your Mahr

partner!

Mahr GmbH, MarSurf M 300 and RD 18

Preparing for Meas urement4 ...27

Setting up the 4.1

Mobile Meas uring Station ............................ 27

Setting up the 4.2

Stationary Meas uring Station ....................28

Setting up the Drive Unit 4.3

and Pick-up ............................................................ 29

Switching the Traverse 4.3.1

On/Off ......................................................29

Selecting the Pick-up Type 4.3.2

(Meas. Range) ......................................30

Setting up a 4.3.3

Bluetooth Connection ...................30

Meas urement and 5

Evaluation .....................................31

Meas urement5.1 ........................................................31

Evaluation5.2 ................................................................32

"Result" View5.2.1 .......................................32

Printing a Record or an 5.2.2

Individual Function ...........................33

Available Parameters5.3 .......................................36

Saving Profiles5.4 ......................................................39

Saving Meas uring Results5.5 .............................40

Calibrating and Setting the 6

Pick-up Correction Value ........ 44

Setting the Pick-up Correction Value6.1 ...45

Calibration6.2 ...............................................................45

Order No. Last Modification Version

3757325 07/22/2009 Valid as of version v1.06-22

Translation of the original operating instructions

Table of Contents

Permitted Uses ........................................... 1

Disposal ......................................................... 1

Safety Instructions .................................... 2

Functions1 .........................................6

Memory Capacity1.1 ..................................................7

Operating Elements2 ....................9

Commissioning3 ...........................14

Switching on 3.1

the Meas uring Instruments ..........................14

Switching off 3.2

the Meas uring Instruments ..........................14

Charging the Battery3.3 ........................................15

Loading Paper3.4 .......................................................16

Making Instrument Settings3.5 ........................16

Operating Elements 3.5.1

in the Menus .........................................16

Basic Settings3.5.2 ........................................17

Meas uring and Evaluation 3.5.3

Conditions in Accordance with

ISO / ASME / JIS ..................................19

Meas uring and Evaluation 3.5.4

Conditions in Accordance with

MOTIF .......................................................23

Parameters and 3.5.5

Tolerance Limits ..................................24

Record Contents3.5.6 ................................25

Programming function keys 3.6

F1 and F2 .................................................................26

Mahr GmbH, MarSurf M 300 and RD 18 5

Troubleshooting7 .........................47

Interfaces8 ..................................... 52

Connecting the MarSurf M 300 8.1

to a Computer (USB Interface) .................52

Remote Control 8.2

via the MarConnect Interface ....................53

Maintenance, Cleaning 9

and Transport ............................. 53

Checking the Integrated Standard 9.1

of the RD 18 ..........................................................56

Replacing the Battery9.2 ......................................56

Installing a Software Update9.3 ......................58

Scope of Delivery10 ...................... 59

Accessories, Spare Parts 11

and Wear Parts ........................... 60

Warranty12 .......................................61

Declarations of Conformity13 ... 62

Index14 .............................................. 64

The following symbols are used in these

operating instructions:

General information.

Important information. Non-observance

of this information can result in incorrect

meas urements or even damage to the

instruments!

Mahr GmbH, MarSurf M 300 and RD 18

Its compact form and low weight (approx. 1 kg

/ 2.21 lbs) make it ideal for mobile use. Thanks

to the transport case and the shoulder belt, it is

easy to carry around. The built-in rechargeable

battery offers enough capacity for several days’

work 3.

The instrument’s AC adapter comes with three

exchangeable mains adapters, allowing the

MarSurf M 300 and its RD 18 drive unit to be

connected directly to the mains all over the

world.

Possible instrument settings

All the functions supported by the instrument

are set out in a logically structured menu.

Instrument settings can be blocked and also

protected against unauthorized modification by

means of a code number.

The operator can switch between ISO (DIN),

ASME, JIS and MOTIF standards to select the

traversing length and for evaluation purposes.

When meas urements are performed in accor-

dance with ISO (DIN), ASME or JIS, the recorded

profile is filtered with a phase-correct profile fil-

ter (Gaussian filter) complying with DIN EN ISO

11562. A shorter cutoff can also be selected for

this purpose.

Even inexperienced users can perform correct, re-

producible surface texture meas urements: If this

function is active, the instrument detects periodic

and aperiodic profiles and automatically sets the

standard cutoff and associated traversing length

in accordance with DIN EN ISO 4288. 1

3 The capacity is sufficient for approx. 1,000 meas urements

(depending on the traversing length and the settings in

the "Record" menu).

1 Functions

Mechanical characteristics

The MarSurf M 300 is a compact surface texture

meas uring instrument for mobile use under shop

floor conditions. The maximum meas uring range

is 350 µm (0.014 in) (-200 µm to +150 µm)

(-0.008 in to +0.006 in).

With the corresponding MarSurf RD 18 drive unit

meas urements can be performed in any meas-

uring position without the need for setup times.

The maximum traversing length is 17.5 mm

(0.700 in). The instrument is easy to use and

complies with DIN EN ISO 3274.

The MarSurf M 300 and all Mahr pick-ups are

balanced at the factory. For high-precision meas-

urements using the stylus method and subse-

quent checks, an automatic dynamic calibration

function is available. A standard is integrated in

the MarSurf RD 18 for this purpose. 1

PHT pick-ups have an innovative open skid 1 that

virtually eliminates deposits of dirt and oil.

The bow-type vertical adjusters 2 for setting the

height of the MarSurf RD 18 drive unit allow

many different forms of support (stable three-

point support, four-point support, e. g. for cylin-

drical testpieces, combination with the pick-up

protection, etc.) and make vertical adjustment

very easy.

The rugged housing makes the MarSurf M 300

ideal for operation under severe conditions. The

instrument combines an ergonomic design with

clearly arranged operating elements and a large,

easy-to-read LCD.

1 patented

2 Patent pending

Mahr GmbH, MarSurf M 300 and RD 18 7

The "MarSurf PS1 / M 300 Explorer" software

(see Section 10) enables records of the profiles

and meas uring results to be saved and printed.

The MarConnect interface can be used to start

the instrument remotely.

Accessories

The extensive range of accessories for the

MarSurf M 300 and RD 18 enable a wide variety

of applications (see Section 10):

The end face vee-block allows meas ure- −

ments on end faces of planar and cylindrical

workpieces.

For testpieces such as crankshafts or cam- −

shafts which are measured in the axial di-

rection, an optional adapter for transverse

tracing is available.

Operating conditions

Storing/transport temperature range:

-15 °C to +55 °C (5°F to 131°F)

Working/operating temperature range:

+5 °C to +45 °C (41°F to 113°F)

Relative humidity:

non-condensing, 30 % up to max. 85 %

Protection class:

MarSurf M 300: IP42

MarSurf RD 18: IP40

Evaluation

Most of the parameters stipulated in ISO (DIN),

ASME, JIS and MOTIF are available to evaluate

the measured profile (see Section 5.3).

The evaluation conditions can be set, e.g. refer-

ence line and intersection line for material ratio

Rmr (equiv. to tp in accordance with ASME and

JIS), symmetrical or asymmetrical intersection

lines for peak count RPc, operators A and B for

the MOTIF evaluation, and intersection lines for

zone widths CR, CF, CL.

In order to monitor tolerances, tolerance limits

can be set for all selected parameters. If limits are

exceeded, this is indicated on the display and in

the meas uring record.

Results and settings can be displayed using ei-

ther the metric or the Imperial system of units.

The integrated thermal printer with graphics

support can output entire meas uring records

with characteristic curves and profile diagrams as

well as individual functions, e. g. an individual list

or curve.

The internal USB memory can store up to 30 pro-

files or 40,000 results.

Interfaces

Using Bluetooth technology, the MarSurf M 300

can be connected with various MarSurf RD 18

drive units (see Section 4.3.3). The instruments

comply with Bluetooth specification 2.0.

The MarSurf M 300's USB interface allows it to

be connected directly to a PC. It is treated like

a USB memory stick and detected without a

driver.

This allows meas uring results and profiles to be

transferred to the PC for evaluation, e. g. with the

MarWin software MarSurf XR 20 or XP 20.

Mahr GmbH, MarSurf M 300 and RD 18

1.1 Memory Capacity

Each file type is stored in its own folder in the

internal USB memory:

"BITMAP"

contains company logos with the file extension

"*.BMP" (Windows bitmap).

"PROFILE"

contains

Profile files with the file extension "*.PCD" −

(Perthometer Concept format).

These files can be read and evaluated using

the MarSurf XR 20 or XP 20 software.

Profile files with the file extension "*.TXT" −

(ASCII format).

"RESULT"

contains results files with the file extension

"*.S2R".

These files can be transferred to a PC via the USB

interface (see Section 8.1).

If only files of a single type are stored in the USB memory, the following maximum number of files of

a given type can be stored:

File type Number of bytes per file Max. number

of files

Results file

(*.S2R)

1 KB for 10 meas. with 4 parameters

2 KB for 20 meas. with 4 parameters

3 KB for 50 meas. with 4 parameters

5 KB for 100 meas. with 4 parameters

approx. 1350

approx. 675

approx. 450

approx. 335

Profile file (*.PCD) 45 KB with n = 5 approx. 30

Profile file (*.TXT) 66 KB to 88 KB with n = 5 approx. 15 to 20

Mahr GmbH, MarSurf M 300 and RD 18 9

PRINT Opens the "Print" menu.

Displays the "Result" view.

F1, F2 Function keys to select a user-

programmable function.

Paper feed key moves the pa-

per out of the printer as long as

it is held down.

MENU Depending on the situation:

Displays the main menu.

Aborts alphanumeric input.

Lt/Lc With ISO, ASME, JIS: Sets 4 the

cutoff and the traversing length

or the automatic selection of

cutoff and traversing length.

With MOTIF: Sets the traversing

length.

M Displays the "Meas uring

Station" view.

START Depending on the situation:

Switches the M 300 on. 5

Starts a meas urement.

Aborts a meas urement in prog-

ress, the search for drive units

or a record output.

Takes over alphanumeric input.

For the following key combinations, hold

down the START key and then press the

key indicated:

START

+ M Switches the M 300 and the

selected RD 18 off.

4 The instrument settings cannot be modified if they are

blocked (see Section 3.5.2).

5 Only possible if the reset switch (12) is in the "I" position.

Mahr

123

Fig. 1

Operating elements of the MarSurf M 300

surface texture meas uring instrument (front)

1 Symbol for Bluetooth connec-

tion; LED lights up in blue when

there is a Bluetooth connection

with a MarSurf RD 18.

2 Printer cover

3 Display

4 Keypad

1 to 0 Depending on the situation:

Select the functions displayed.

Used for alphanumeric input.

Arrow keys for alphanumeric

input.

2 Operating Elements

Mahr GmbH, MarSurf M 300 and RD 18

Connection established with RD1102

Lt=5.600mm (0.800*5)

Meas. conditions

Parameters

Record

Basic settings

Maintenance

USB memory

Pick-up

Fig. 2

Display of the MarSurf M 300 surface texture meas uring instrument

6 Buttons

Opens the "Meas uring conditions"

Opens the "Parameters" menu

Opens the "Record" menu

Opens the "Basic settings" menu

Opens the "Maintenance" menu

Opens the "USB memory" menu

Opens the "Pick-up" menu

7 Main menu

8 Bottom status bar

5 Top status bar (Diagram: Not all status bar ele-

ments can appear at the same time in meas uring

mode)

Non-standard meas uring conditions

Lt=5.600mm (0.800*5) Traversing length Lt

(Cutoff Lc × num-

ber n of sampling

lengths) in accor-

dance with ISO,

ASME, JIS

Lt=16.00mm Traversing length Lt

in accordance with

MOTIF

A Automatic setting of cutoff and

traversing length

Battery status:

left M 300, right RD 18

( : battery almost empty)

ISO, ASME, JIS, MOTIF Standard

Maintenance interval has expired

Selected pick-up type is not cali-

brated

Bluetooth connection with an RD 18

drive unit

Mahr GmbH, MarSurf M 300 and RD 18 11

9 V =

0 I

+ –

10 11

Fig. 3

Connections of the MarSurf M 300 surface texture meas uring instrument (back side and bottom)

10 DRIVE Connection 6 for MarSurf RD 18

drive unit

11 USB interface for connection to

a PC 7

12 0 / I Reset switch

"0": As supplied (power supply

disconnected),

"I": Operating status

13 9 V = Connection for AC adapter

14 MarConnect interface

15 Battery compartment

16 Eyes for shoulder belt

6 instead of the Bluetooth connection

7 with the Windows 2000 or Windows XP operating sys-

tem

Mahr GmbH, MarSurf M 300 and RD 18

23 Green START key

Depending on

the situation:

Switches the RD 18 on. 8

Starts a meas urement.

Aborts a meas urement

in progress.

Pressing for approx.

3 seconds switches the

RD 18 and the M 300

off.

24 Pick-up protection

can be used in conjunction with a vertical

adjuster or a meas uring stand as a second

support point

25 Pick-up

26 Mount for attaching accessories

(vertical adjusters, end face vee-block)

27 Pair of bow-type vertical adjusters,

arranged as three-point support

(can also be used individually)

8 Only possible if the reset switch (29) is in the "I" position.

21 22 23

Fig. 4

MarSurf RD 18 drive unit with height adjustment accessory

20 Drive unit,

can be rotated and moved longitudinally,

with various lock-in positions

21 Housing

Top: Three-point support for upside-

down meas urements

Bottom: Vee-block for cylindrical test-

pieces,

4 internal threads for attaching

accessories

Inside: Standard

22 Symbol for Bluetooth connec-

tion;

LED lights up in blue when

there is a Bluetooth connection

with a MarSurf M 300;

LED blinks during a meas-

urement in progress.

Mahr GmbH, MarSurf M 300 and RD 18 13

28 30

9 V =

CTRL 0 I +–

Fig. 5

MarSurf RD 18 connections

28 CTRL Connection 9 for the MarSurf

M 300 meas uring instrument

29 0 / I Reset switch

"0": As supplied (power supply

disconnected),

"I": Operating status

30 9 V = Connection for AC adapter

The cable with two mini-plugs can be used to

create a cable connection between the MarSurf

M 300 (connection "DRIVE", 10) and the MarSurf

RD 18 (connection "CTRL", 28).

If there is no cable connection, the MarSurf

M 300, attempts to create a Bluetooth connec-

tion with the most recently selected MarSurf

RD 18 drive unit.

The USB cable (with a mini-USB plug and a

USB plug) can be used to connect the MarSurf

M 300 (USB interface , 11) with the USB inter-

face of a PC.

For mobile use, the shoulder belt can be at-

tached through the eyes (16) in the MarSurf

M 300.

The MarSurf M 300 and the MarSurf RD 18

along with the standard accessories can be car-

ried around easily in the transport case.

9 instead of the Bluetooth connection

Mahr GmbH, MarSurf M 300 and RD 18

3 Commissioning

The MarSurf M 300 is delivered with the power

supply isolated to ensure that the built-in battery

does not lose its charge if stored for a lengthy

period.

1. Move the reset switch on the MarSurf

M 300 (12) and the RD 18 (29) to the right

into the "I" position to make both instru-

ments ready for operation.

3.1 Switching on

the Meas uring Instruments

For a Bluetooth connection:

Please follow the instructions for set-

ting up a Bluetooth connection given in

Section 4.3.3.

1. Hold down the green key (23) of the

MarSurf RD 18 approx. 1 second.

The LED next to the Bluetooth symbol (22)

lights up in blue and indicates operational

readiness.

2. Then hold down the green START key of

the MarSurf M 300 approx. 1 second.

3. The MarSurf M 300 creates a Bluetooth

connection with the most recently selected

RD 18. While the connection is being estab-

lished, this symbol is displayed:

When the connection has been created, the

LED below the Bluetooth symbol (1) lights

up and the symbol is displayed in the

top status bar.

If a cable connection already exists:

1. Hold down the green START key of the

MarSurf M 300 approx. 1 second.

The LED next to the Bluetooth symbol (22)

of the MarSurf RD 18 lights up in blue for a

short period and indicates operational readi-

ness.

3.2 Switching off

the Meas uring Instruments

To switch the MarSurf M 300 and RD 18 off (if

they do not turn off automatically 10):

1. Hold down the START key of the MarSurf

M 300 and press the M key.

Or hold down the green key (23) on the

MarSurf RD 18 approx. 3 seconds.

The MarSurf M 300 and the selected

MarSurf RD 18 are switched off.

2. To switch off other drive units:

Hold down the respective green key (23) on

the MarSurf RD 18 approx. 3 seconds.

3. To move the drive unit and pick-up to the

safe parking position for transport:

Push the drive unit forward out of the hous-

ing, turn it 180° to the right (stylus tip points

upwards) and pull it back into the housing

(guide pin engages with guide groove) un-

til the rear lock-in position is reached (see

Fig. 14 in Section 6.2).

To switch off the instruments completely

(disconnect them from power), move

the reset switches (12) and (29) to the

left into the "0" position.

The instrument settings, including date

and time, are retained.

10 The instruments do not automatically turn off if the tim-

eout is switched off (i. e. if the "Timeout" check box is not

activated in the "Basic settings" menu) or if the MarSurf

M 300 is connected to the mains with the AC adapter.

Mahr GmbH, MarSurf M 300 and RD 18 15

To charge the MarSurf M 300 battery:

1. Connect the AC adapter to the "9 V ="

socket (13) on the MarSurf M 300 and plug

it into the mains socket.

During the charging process, the four grey

bars in the left battery symbol appear

and disappear in sequence.

To charge the MarSurf RD 18 battery:

1. Connect the AC adapter to the "9 V ="

socket (30) on the MarSurf RD 18 and plug

it into the mains socket.

During the charging process, the correspond-

ing battery status is displayed in the right

battery symbol.

The MarSurf RD 18 can also be charged

when the AC adapter is connected to

the MarSurf M 300, and both instru-

ments are connected to each other with

the cable supplied with two mini-plugs

("DRIVE", 10 and "CTRL", 28).

Once the AC adapter unit has been connected,

meas urements can be carried out immediately.

The battery will be fully charged after approx.

7 hours (M 300) or 1 hour (RD 18) and the

instrument automatically switches from rapid

charge to trickle charge. 12

12 The charging time increases when instruments are

switched on.

3.3 Charging the Battery

The MarSurf M 300 and the MarSurf RD 18 are

Both instruments can be supplied with

electricity for stationary operation by

con necting the AC adapter that came

with delivery to the MarSurf M 300 and

creat ing a cable connection between the

two instruments (see below).

The batteries of both instruments should be

charged

if the instrument is being commissioned for −

the first time,

if around 3 months have passed since the −

battery was last charged,

if the symbol − is displayed in the top sta-

tus bar (i. e. the battery is down to around

15 % of its capacity),

if no meas urement is possible, even though −

the symbol is not yet displayed. 11

For charging, only use the AC adapter

that came with delivery!

If other AC adapters are used, the

MarSurf M 300 or RD 18 may be dam-

aged and any warranty will be rendered

null and void.

To prepare the AC adapter:

1. Select the appropriate mains adapter and

insert it into the AC adapter.

11 This can happen after long periods of storage, for exam-

ple.

Mahr GmbH, MarSurf M 300 and RD 18

3.5 Making Instrument Settings

The basic setting

Standard −

and the meas uring conditions

Traversing length − Lt

Ls filter −

Number − n of sampling lengths

(in accordance with ISO, ASME, JIS)

Pre-travel − Lv / post-travel Ln

(in accordance with ISO, ASME, JIS)

must be changed before a meas urement is per-

formed.

All further settings can be changed before or af-

ter the meas urement.

The instrument settings cannot be

modified if they are blocked (i. e. if

the "Blocking" check box is activat-

ed in the "Basic settings" menu; see

Section 3.5.2).

To retain modified instrument settings

after the MarSurf M 300 is switched off,

an error-free meas urement must be car-

ried out with these settings.

3.5.1 Operating Elements in the Menus

The operating elements used in the menus are

shown below:

Button

e. g.

Basic settings

A function can be activated with a button or the

respective assigned key (e. g. the "Basic settings"

menu with key 4).

Use the button or the MENU key to leave

the menu.

3.4 Loading Paper

To load a paper roll:

1. Pull the printer cover (2) back in the direc-

tion of the arrow (see Fig. 1). Then turn the

device around so that the rear side is facing

forward (see Fig. 6).

2. If necessary, remove the empty roll from the

paper compartment.

3. Flip the pressure strip (31) up.

4. Insert the new paper roll (32) (5450105)

into the paper compartment with the be-

ginning of the roll down (see symbol in the

paper compartment).

5. Feed the beginning of the roll evenly into

the paper infeed below the rubber roller.

6. Insert the paper until the end projects ap-

prox. 2 cm beyond the rubber roller.

7. Flip the pressure strip (31) down again.

8. Replace the printer cover (2) and push it

back until it locks into place.

The paper must stick out over the printer

cover.

Fig. 6

Paper compartment of the MarSurf M 300

31 Pressure strip

32 Paper roll

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Mahr MarSurf RD 18 Operating Instructions Manual

Brand: Mahr

Model: MarSurf RD 18

Type: Operating Instructions Manual

This manual is also suitable for

MarSurf M 300

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Mahr MarSurf RD 18 Operating Instructions Manual

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Mahr MarSurf RD 18 Operating Instructions Manual

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